Citations for links you can make with Zotero extension for Firefox.
Citations for books you can make with http://worldcat.org. Look up the book, and click “Cite this Item”, then you get the APA style link.
Do remember to add page numbers.
http://www.worldcat.org/
Here is a few. examples of APA style citations
Vejlgård, H. (2003). TrendManagement. En guide til at arbejde med trends (pp 3-10). Kbh.: JPB bøger.
Web widget. (2007, November 1). In Wikipedia, The Free Encyclopedia. Retrieved 09:44, November 5, 2007, from http://en.wikipedia.org/w/index.php?title=Web_widget&oldid=168489037 .
There is lots of other tools out there, let me know the best online tips, tricks and tutorials or articles you have found on how to make citations.
